4-Amino-3-isothiazolecarboxylic Acid HCl CAS 72632-94-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 72632-94-1 |
| Molecular Formula | C4H4N2O2S HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-3-isothiazolecarboxylic Acid HCl (CAS 72632-94-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H4N2O2S HCl. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H4N2O2S HCl |
| Molecular Weight | 180.61 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Bromo-4-fluorophenylacetonitrile (CAS 61150-58-1)
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- 2-(2,4,5-Trimethyl-1H-imidazol-1-yl)ethan-1-ol (CAS 26860-46-8)
- 6-(2-Chlorophenyl)-1-(2,4-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 252059-18-0)
- 4-Cyclobutylpicolinic acid (CAS 1780245-47-7)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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